Electricity: motive power systems – Periodic – repetitious or successive operations control of...
Reexamination Certificate
2006-01-10
2008-07-29
Ip, Paul (Department: 2837)
Electricity: motive power systems
Periodic, repetitious or successive operations control of...
C318S119000, C318S127000, C318S632000, C417S044100, C417S044110
Reexamination Certificate
active
07405529
ABSTRACT:
A system for controlling a linear compressor, generates freezing force as a piston reciprocates according to rotation of a motor which receives alternating current power through a triac. The system includes a controller which moves up or delays a trigger signal corresponding to an absorption cycle or a compression cycle, such that the center point of the piston reaches a resonant point when a current and a phase difference of the motor deviate from predetermined ranges.
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Kim Nam Su
Lee Sung Mo
Lim Ji Heon
Ip Paul
Samsung Electronics Co,. Ltd.
Staas & Halsey , LLP
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